. >> commerce, education, and the -- what's the third one there? oops. >> tonight we take you behind the scenes. >> see if they can do this flash. >> we'll show you what they don't like to talk about. >> so lying is okay in politics? >> what's behind winning the presidency? ♪ >> when it to say winning the presidency, i'd like to think that the choices about whose ideas are better, but when you talk to people behind the scenes they talk about moments. >> there are a series of moments. that's what matters. >> remember the scream? howard dean led john kerry in early polls, but then after a loss he tried to rally the troops. >> we're going to california, and texas, and new york! >> the room was noisy. and people in the room said, this sounded like a normal rally. >> and then we're going to washington, d.c. to take back the white house! yay! >> but because dean's microphone picked up only dean's voice, the tv broadcast made him sound crazy. >> yay! >> that unfairly may have killed his campaign. even images can matter more than issues. this video is sa